Language
C++
Compiler
clang 15.0.7
Options
Warnings
Boost 1.80.0
C++2b(GNU)
no pedantic
$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.80.0-clang-15.0.7/include -std=gnu++2b Tie Demo
Without tie() ifstream with ofstream
ofstream: Opening output.txt for write
ifstream: Opening output.txt for read
ofstream: Writing "Hello" to output.txt
ifstream: Reading from output.txt
Read Value:""
With tie() ifstream with ofstream
ofstream: Opening output.txt for write
ifstream: Opening output.txt for read
ofstream: Writing "Hello" to output.txt
ifstream: Reading from output.txt
Read Value:"Hello"
Exit Code:
0